TONER STORAGE CONTAINER, AND IMAGE FORMING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide a toner storage container that can supply toner to a developing device even when the remaining amount of toner in the toner storage container is reduced.SOLUTION: A toner storage container includes a container body 32 that accommodates a toner to be supplied to a toner conveyance device 60, a tube receiving port that is arranged at a container opening 33a and can receive a conveyance tube 611 fixed to the toner conveyance device, and a pumping part 304 that brings up the toner conveyed by a conveyance part from a lower part to an upper part of the container body and moves the toner toward a toner receiving port of the conveyance tube. The container body includes a projection projecting from the inside of the container body at the container opening toward one end; the pumping part includes a pumping wall surface extending from a wall surface in the container body toward the projection and a curved part curved along the projection; and when the toner storage container is attached to the toner conveyance device, the projection is provided to be present between the curved part and the toner receiving port of the inserted conveyance tube.